Brenan is a surname and a given name. Notable people with the name include: Surname Gerald Brenan (1894 – 1987), British writer and Hispanist James Brenan (1837 – 1907), Irish artist Ryan Brenan (1798 – 1868), Australian politician from New South Wales John Brenan (physician) (1768?- 1830), Irish physician John Patrick Micklethwait Brenan (1917 – 1985), British botanist Joseph Brenan (1828 – 1857), Irish writer and nationalist Michael John Brenan (1780 – 1847), Irish Roman Catholic priest and historian Given name Brenan (author) (fl. 1756) Brenan Espartinez, Filipino singer Brenan Cruse, American singer See also Brennan (given name) Brennan (surname)